package com.yudi.blog.utils;

/**
 * @Author YuDi
 * @Date 2021/11/11 12:09
 * @Version 1.0
 */
public class StringUtils {

    public static Boolean isEmpty(String str){
        if(str == null){
            return true;
        } else if("".equals(str.trim())){
            return true;
        } else {
            return false;
        }
    }

}
